MILAN (AIMnews.it) – The first exercise period of the 2017-2020 TPS warrants will open on 1 June. By June 15 it will be possible to subscribe to new shares of the aeronautical engineering services company at the ratio of 1 share for every 10 rights to 3.52 euros, that is to say the placement price (3.2 euros) increased by 10 percent.